This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 12 |
| 3 | 41 |
| 4 | 120 |
| 5 | 307 |
| 6 | 696 |
| 7 | 1241 |
| 8 | 1956 |
| 9 | 3307 |
| 10 | 5544 |
| 11 | 8381 |
| 12 | 12042 |
| 13 | 16237 |
| 14 | 21492 |
| 15 | 27677 |
| 16 | 33906 |
| 17 | 42733 |
| 18 | 54180 |
| 19 | 65057 |
| 20 | 76740 |
| 21 | 88771 |
| 22 | 104112 |
| 23 | 124229 |
| 24 | 146490 |
| 25 | 169933 |
| 26 | 196884 |
| 27 | 230807 |
| 28 | 263790 |
| 29 | 297475 |
| 30 | 339372 |
| 31 | 385349 |
| 32 | 441900 |
| 33 | 496375 |
| 34 | 557628 |
| 35 | 617357 |
| 36 | 672510 |
| 37 | 743917 |
| 38 | 807888 |